IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0678499
(2003-10-03)
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발명자
/ 주소 |
- Gupta, Suresh C.
- Burnham, Douglas R.
- Teets, J. Michael
- Teets, Jon W.
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출원인 / 주소 |
- Elliott Energy Systems, Inc.
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대리인 / 주소 |
Webb Ziesenheim Logsdon Orkin &
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인용정보 |
피인용 횟수 :
15 인용 특허 :
18 |
초록
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An electrical system and apparatus for a turbine/alternator comprising a gas driven turbine and a permanent magnet alternator rotating on a common shaft includes an inverter circuit connectable either to an output circuit or the stator winding of the alternator. A control circuit during a start-up m
An electrical system and apparatus for a turbine/alternator comprising a gas driven turbine and a permanent magnet alternator rotating on a common shaft includes an inverter circuit connectable either to an output circuit or the stator winding of the alternator. A control circuit during a start-up mode switches the inverter circuit to the stator winding of the alternator and during a power out mode switches the inverter circuit to the output circuit. The operating parameters of the turbine are monitored during start-up and/or the power out mode.
대표청구항
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1. A method of controlling a turbine/alternator comprising a gas driven turbine and permanent magnet alternator on a common shaft comprising:providing electric power to said turbine/alternator through an inverter circuit that outputs electrical power to said turbine/alternator at frequencies and vol
1. A method of controlling a turbine/alternator comprising a gas driven turbine and permanent magnet alternator on a common shaft comprising:providing electric power to said turbine/alternator through an inverter circuit that outputs electrical power to said turbine/alternator at frequencies and voltages required to start said turbine/alternator to achieve self-sustained operation of said turbine/alternator; reconfiguring said inverter circuit by switches internal to the inverter circuit to output electric power from said turbine/alternator at desired frequencies unrelated to turbine/alternator rotation speed when self-sustained operation of said turbine/alternator is achieved; and monitoring turbine operation parameters prior to self-sustained operation to activate the reconfiguring step and to monitor and control turbine operation before and after the reconfiguring step. 2. The method of claim 1, further comprising logging a history of the turbine operation parameters.3. The method of claim 1, wherein monitoring turbine operation parameters is performed by a controller comprising a microprocessor.4. The method of claim 1, further comprising monitoring interfacing sensors.5. The method of claim 3, wherein said controller comprises a plurality of microprocessors each having its own associated memory programmed to run independently.6. The method of claim 5, wherein the microprocessor comprising said plurality of microprocessors communicates with each other through a high speed serial link.7. The method of claim 1, further comprising monitoring a control panel for providing a user interface for system operation and diagnostics.8. The method of claim 1, further comprising providing a user interface configured to provide a user with line tie options, start-up options or shut-down options.9. The method of claim 1, further comprising monitoring and/or controlling fuel flow of said gas driven turbine.10. The method of claim 1, further comprising monitoring and/or controlling ignition of said gas driven turbine.11. The method of claim 1, further comprising monitoring and/or controlling rotation speeds of said turbine/alternator.12. The method of claim 1, further comprising monitoring and/or controlling temperature of said turbine/alternator.13. The method of claim 1, further comprising monitoring and/or controlling pressures of said turbine/alternator.14. The method of claim 1, further comprising monitoring and/or controlling run time of said turbine/alternator.15. The method of claim 1, further comprising monitoring and/or controlling diagnostics of said turbine/alternator.16. The method of claim 1, wherein during providing electric power to said turbine/alternator, controlled combustion of fuel and air is provided to said gas driven turbine of the turbine/alternator.17. The method of claim 1, wherein when reconfiguring said inverter circuit, said inverter circuit is connected to said turbine/alternator through a rectifier.18. The method of claim 1, wherein said inverter circuit comprises an output filter for filtering said electric power, which output filter is removed when providing electric power to said turbine/alternator through said inverter circuit.19. An electric system for a turbine/alternator comprising a gas driven turbine and permanent magnet alternator on a common shaft comprising:an inverter provided for operation of said turbine/alternator; means to provide electric power to said turbine/alternator through said inverter to start said turbine/alternator to achieve self-sustained operation of said turbine/alternator; means to reconfigure said inverter to output electric power from said permanent magnet turbine/alternator to supply the electric power to a load; and a controller for monitoring turbine operation parameters prior to self-sustained operation to activate the reconfiguring step and to monitor and control turbine operation before and after the reconfiguring step. 20. The electric system of claim 19, wherein said controller is adapted to log a history of turbine operation parameters.21. The electric system of claim 20, wherein said controller comprises a microprocessor devoted to monitoring turbine operation parameters.22. The electric system of claim 20, wherein said controller comprises a microprocessor directed to monitoring interfacing sensors.23. The electric system of claim 20, wherein said controller comprises a plurality of microprocessors each having its own associated memory programmed to run independently.24. The electric system of claim 23, wherein the microprocessor comprising said plurality of microprocessors communicates with each other through a high speed serial link.25. The electric system of claim 19, wherein said controller comprises a microprocessor for monitoring a control panel for providing a user interface for system operation and diagnostics.26. The electric system of claim 19, further comprising a user interface configured to provide a user with line tie options, start-up options or shut-down options.27. The electric system of claim 19, wherein said controller is adapted for control and/or monitoring of fuel flow of said gas driven turbine.28. The electric system of claim 19, wherein said controller is adapted for controlling and/or monitoring of the ignition of said gas driven turbine.29. The electric system of claim 19, wherein said controller is adapted for controlling and/or monitoring of rotation speeds of said turbine/alternator.30. The electric system of claim 19, wherein said controller is adapted for controlling and/or monitoring of temperatures of said turbine/alternator.31. The electric system of claim 19, wherein said controller is adapted for controlling and/or monitoring of pressures of said turbine/alternator.32. The electric system of claim 19, wherein said controller is adapted for controlling and/or monitoring of run time of said turbine/alternator.33. The electric system of claim 19, wherein said controller is adapted for controlling and/or monitoring of diagnostics of said turbine/alternator.34. The electric system of claim 19, further comprising means to provide controlled combustion of fuel and air to said gas driven turbine to achieve self-sustained operation of said turbine/alternator.35. The electric system of claim 19, wherein said means to reconfigure said inverter connects said inverter to said turbine/alternator through a rectifier.36. The electric system of claim 19, wherein said load comprises a power line, and said means to reconfigure said inverter supplies electric power to said power line at a common line voltage and frequency.37. The electric system of claim 19, wherein said inverter circuit comprises an output filter for filtering said electric power, which output filter is removed when providing electric power to said turbine/alternator through said inverter circuit.
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